Merge pull request #20 from CodebyteStudios/Cameron

Fixed physics bug in Scene.cpp, need to fix timestep between different m...
Updated installDependenciesUnix.sh

Added to installDependenciesUnix.sh to install most everything the
engine needs to run.
Merge branch 'master' of https://github.com/CodebyteStudios/CodebyteEngine

Conflicts:
	tools/installDependenciesUnix.sh
Merge pull request #21 from CodebyteStudios/master

Fixed install script